[Ampgoo.com] Dr. Megan Ranney has learned a lot about Covid-19 since she started treating patients with the disease in the emergency room in February.But there is one question she still cannot answer: what makes some patients so much sicker than others?
Increasing age and underlying medical problems explain only part of the phenomenon, said Ranney, who has seen patients of similar age, background, and health go down completely different paths.
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